docs: improve the component styling guide (#44234)
docs: improve the component styling guide (#44234)

PR Close #44234

shairez/angular,ocombe/angular,gnomeontherun/angular,manekinekko/angular,shairez/angular,angular-indonesia/angular,gkalpak/angular,gnomeontherun/angular,angular/angular,manekinekko/angular,gkalpak/angular,manekinekko/angular,manekinekko/angular,ocombe/angular,JiaLiPassion/angular,ocombe/angular,shairez/angular,gkalpak/angular,JiaLiPassion/angular,manekinekko/angular,ocombe/angular,angular/angular,shairez/angular,JiaLiPassion/angular,angular/angular,ocombe/angular,JiaLiPassion/angular,manekinekko/angular,gkalpak/angular,angular/angular,shairez/angular,angular-indonesia/angular,angular-indonesia/angular,ocombe/angular,angular-indonesia/angular,gnomeontherun/angular,gnomeontherun/angular